Child seat backrest



FIG. 1 is a front view of a child seat backrest according to the present invention.

FIG. 2 is a rear view of the child seat backrest of FIG. 1.

FIG. 3 is a top view of the child seat backrest of FIG. 1.

FIG. 4 is a bottom view of the child seat backrest of FIG. 1.

FIG. 5 is a left side view of the child seat backrest of FIG. 1.

FIG. 6 is a front perspective view of the child seat backrest of FIG. 1.

FIG. 7 is a rear perspective view of the child seat backrest of FIG. 1; and,

FIG. 8 is a right side view of the child seat backrest of FIG. 1.

The dashed lines illustrate a chair and occupant, and form no part of the claimed design. 

The ornamental design for a child seat backrest, as shown and described. 